1. The tax rate percentage for transferring real estate in Colombia is typically between 1-3% of the property value, with additional fees for registration and notary services.

2. The percentage tax rate for renting out a house in Colombia is typically around 10-33% of the rental income, depending on various factors such as the location of the property and the rental value.

3. The top 5 most popular regions to live in Colombia are:

- Bogotá: The capital city and largest urban center in Colombia, known for its vibrant culture, lively nightlife, and diverse culinary scene.

- Medellín: A city located in a beautiful valley surrounded by mountains, Medellín is known for its pleasant climate, modern infrastructure, and friendly locals.

- Cartagena: A historic coastal city with charming colonial architecture, beautiful beaches, and a lively atmosphere popular with tourists and expats.

- Cali: Known as the "salsa capital of the world," Cali is a vibrant city with a rich cultural heritage, excellent nightlife, and a warm climate.

- Manizales: A smaller city located in the coffee region of Colombia, Manizales offers a more relaxed pace of life, beautiful natural surroundings, and a strong sense of community.